RCDD Chapter 2 Electromagnetic Compatibility Exam 2025 Questions and Answers

RCDD Chapter 2 Electromagnetic
Compatibility Exam 2025 Questions
and Answers


1. Light


2. Radio Waves


3. Microwaves


4. IR Radiation (IR)


5. Ultraviolet rays


6. X-rays


7. Gama Rays - ANSWER✔✔-Electromagnetic Spectrum


1. Source


2. Susceptible Device


3. Coupling Path - ANSWER✔✔-Three essential elements to any EMC Problem

, Conducted coupling may effect electronic devices through - ANSWER✔✔-Input signal

lines, output signal lines, Utility or premise electrical power distribution.


Internal EMI sources are typically - ANSWER✔✔-Electrical power supplies


Electrical power cables


Rectifiers


Oscillators


Digital clocks


Common-mode signaling (CM)


Long term or short term variations in voltage (swells, sags or under-voltages)


Cathode Ray Tube - ANSWER✔✔-Susceptible to RFI in the enviroment


A device's EMC - ANSWER✔✔-Its value is relative to the environment in which it

operates


EMC - ANSWER✔✔-Electromagnetic Compatibility


EMC aims to ensure..... - ANSWER✔✔-That items or equipment will not interfere or

prevent each other's correct operation through emission and absorption of EMI


EMI laws explained... - ANSWER✔✔-Basic laws of Physics


EMI Cause - ANSWER✔✔-A Circuit